Aethermeginthiun 2UG
Creature - Beast
When Aethermeginthiun comes into play, you may search your library for an instant with converted manacost 1 and play it without paying its manacost. If you do, shuffle your library."Peek-a-boo!"
2/3
Uncommon

3/3 and lose the trample perhaps?
That way, you'd have to spent a card on giving it lure and another on giving it trample

4/4 with out trample, since chump blocking would still work. Even though it could be with a 6/6 or bigger and still be a chump block....

Limited said:

Aethermeginthiun 2UG
Creature - Beast
When Aethermeginthiun comes into play, you may search your library for an instant with converted manacost 1 and play it without paying its manacost. If you do, shuffle your library.
"Peek-a-boo!"
2/3

Plasmaggum XRR
Creature - Elemental
Haste
Plasmaggum comes into play with X +1/+1 counters
When Plasmaggum comes into play, you may remove any number of +1/+1 counters from it. You may divide damage equal to the number of counters removed in this way amoung any number of target creatures.
Rare

Plasmaggum XRR
Creature - Elemental
Haste
Plasmaggum comes into play with X +1/+1 counters
When Plasmaggum comes into play, you may remove any number of +1/+1 counters from it. You may divide damage equal to the number of counters removed in this way amoung any number of target creatures.
Rare

P/T = */*?
It's good but not too good, since it's only creature damage.....
You are on a roll lately.

Plasmaggum XRR
Creature - Elemental
Haste
Plasmaggum comes into play with X +1/+1 counters
When Plasmaggum comes into play, you may remove any number of +1/+1 counters from it. You may divide damage equal to the number of counters removed in this way amoung any number of target creatures.
0/0
Rare

I figured it could just be a 0/0..

So, for like six mana you could have a 4/4 haste, or a 2/2 haste which allows you to divide two damage, or you could just divide four damage.

You know, this card really isn't that bad at all. He's either spot removal (just damage to creatures), instant damage (just making him a creature with no possible blockers), or both (duh). I really like this card.... a lot.